The steps are as follows: 1. Enter the monitoring interface of An Chuan e7 inverter, and click the "History" button in the menu bar. 2. In the pop-up history interface, select the "Alarm" tab to see the past alarm records. 3. If you need to view the alarm records in a specific time period, you can select the time interval in the interface and click "Query". 4. Click the Details button of each alarm record to view the detailed information of the alarm, such as alarm code, alarm time and alarm reason. 5. If you need to clear the historical alarm record, you can click the "Clear" button at the bottom. Note: Clearing the history will delete all historical alarm records and cannot be restored. Therefore, please confirm carefully before clearing the history.